Zacepin, Ph. D. Mikhail N., Ph. D. Anna V. Gubareva, y Ph. D. Kseniya E. Kovalenko. Continuous General Theoretical Training of Students in Conditions of Multilevel Education. Revista Conrado 13, no. 60 (diciembre 1, 2017): 180-183. Accedido abril 24, 2024. https://conrado.ucf.edu.cu/index.php/conrado/article/view/593.